Robert J. Sierakowski is a history teacher and advisor in the Department of History, Trevor Day School. He is a former lecturer in the Department of History and Archaeology at the ...lihat lebih banyakRobert J. Sierakowski is a history teacher and advisor in the Department of History, Trevor Day School. He is a former lecturer in the Department of History and Archaeology at the University of the West Indies.lihat lebih sedikit